The symptoms of poor liver in children are diverse, the main symptoms include digestive system symptoms, blood system symptoms and endocrine system symptoms, such as loss of appetite, yellowing of the skin and so on. 1. Digestive system symptoms: the liver is an important organ in the digestive system, if the liver function is damaged, then the digestive function will also be damaged, and symptoms such as loss of appetite and nausea and vomiting will occur. 2. Blood system symptoms: liver is also the main organ to synthesize blood clotting factors, so the decline of liver function will also cause coagulation factor synthesis disorders leading to blood system symptoms, such as nosebleeds and other bleeding symptoms. 3. Endocrine system symptoms: abnormal liver function also leads to abnormal fat metabolism, abnormal sugar metabolism and abnormal hormone metabolism, which leads to symptoms such as rough skin, yellowish skin, swelling, spider nevus and liver palms. Children with liver problems need to go to the hospital in time for professional diagnosis and treatment.